What is an earthquake? But also by volcanic eruptions or landslides.
100
The multiple waves that occur in a tsunami is called a...
What is a wave train?
100
If caught in a tsunami, it is best to try to swim.
What is false? It is best grab a floating object and let the current carry you.
100
In 2004, the tsunami that occurred in this ocean killed 200 000 people in Indonesia.
a) Pacific
b) Atlantic
c) Indian
What is the Indian Ocean?
100
Tsunami means 'harbour wave' in this language.
What is Japanese.
200
The shaking that results from the movement of rock beneath the Earth's surface.
What is an earthquake?
200
Tsunamis can travel as fast as a...
What is a jet plane (up to 970 km/hour!)?
200
Tsunamis only occur in oceans and seas.
What is true? Seiches, like tsunamis, occur in enclosed bodies of water such as lakes and inland seas.
200
The costliest tsunami ever to strike the USA and Canada occurred on March 28, 1964 when it struck this state/province.
a) Alaska
b) British Columbia
c) Washington
What is Alaska?
200
These trees, with their long bare trunks, are well-adapted to life on the shore and often survive tsunamis.
What are palm trees?
300
The point on Earth's surface directly above an earthquake's focus.
What is the epicenter?
300
Tsunami waves can be as high as...
What is 30 meters (100 feet)?
300
Up to half an hour before a tsunami hits, the ocean can suddenly appear to "drain away."
What is true? This withdrawal of the water is called the draw-back.
300
The state at greatest risk for a tsunami is...
a) California
b) Alaska
c) Hawaii
What is Hawaii?
300
These often can 'sense' when a tsunami, among other natural disasters, are coming.
What are animals?
400
This is used to detect and measure earthquakes.
What is a seismograph?
400
A tsunami with really high waves, usually caused by a landslide.
What is a mega-tsunami?
400
Tsunami waves hit land with thousands of times the power of a regular wave and instead of breaking/curling, appears as a wall of water.
What is true?
400
The tsunami that occurred in this country in 2011 is estimated to become the world’s most expensive disaster in history.
What is Japan?
400
In the depth of the ocean, tsunamis don’t rise higher than a feet or so, but can still travel at very high speeds. At such a time, we wouldn’t be able to detect a tsunami right under our feet. True or false?
What is true?
500
The scale earthquakes are measured on.
What is the Richter Scale?
500
The thing that causes a tsunami to become higher as it gets closer to the beach.
What is friction?
500
Regions in tsunami danger zones unfortunately do not have any warning systems in place.
What is false?
500
This country experiences at least one tsunami per year.
What is Japan?
500
The area in the basin of the Pacific Ocean where 80% of the world's tsunamis occur.